A huge vaccination drive has been launched after the country’s first outbreak in years of the paralysing disease. But the battle to wipe out the virus is struggling elsewhere, so how can it be eradicated? A huge vaccination drive has been launched after the country’s first outbreak in years of the paralysing disease. But the battle to wipe out the virus is struggling elsewhere, so how can it be eradicated? As a seven-year-old boy is treated for polio at a hospital in Malawi , the country has